Home / 21,684,772.77-29,924,707.23-12,392,236.43

Finding the Fourth Proportional to 21,684,772.77, 29,924,707.23 and 12,392,236.43

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Solution

The fourth proportional to 21,684,772.77, 29,924,707.23 and 12,392,236.43 is: 17,101,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,772.77 : 29,924,707.23 = 12,392,236.43 : x
  2. Step 2: Convert to fraction form
    21,684,772.77/29,924,707.23 = 12,392,236.43/x
  3. Step 3: Cross multiply
    21,684,772.77x = 29,924,707.23 × 12,392,236.43
  4. Step 4: Simplify right side
    21,684,772.77x = 370,834,046,943,066.88
  5. Step 5: Solve for x
    x = 370,834,046,943,066.88/21,684,772.77
  6. Step 6: Final answer
    x = 17,101,126.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.